./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 101772a1df2f060cce83990afa64fd120489466cae6ba795381290c9113e6c7a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:43:47,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:43:47,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:43:47,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:43:47,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:43:47,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:43:47,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:43:47,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:43:47,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:43:47,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:43:47,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:43:47,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:43:47,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:43:47,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:43:47,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:43:47,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:43:47,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:43:47,899 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:43:47,900 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:43:47,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:43:47,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:43:47,904 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:43:47,904 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:43:47,905 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:43:47,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:43:47,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:43:47,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:43:47,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:43:47,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:43:47,907 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:43:47,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:43:47,908 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:43:47,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 101772a1df2f060cce83990afa64fd120489466cae6ba795381290c9113e6c7a [2023-12-02 22:43:48,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:43:48,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:43:48,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:43:48,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:43:48,129 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:43:48,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2023-12-02 22:43:50,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:43:50,926 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:43:51,218 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:43:51,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2023-12-02 22:43:51,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/data/0c1962e36/15a61c73d62d42608b592fa53f02287b/FLAGf8f453723 [2023-12-02 22:43:51,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/data/0c1962e36/15a61c73d62d42608b592fa53f02287b [2023-12-02 22:43:51,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:43:51,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:43:51,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:43:51,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:43:51,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:43:51,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:51" (1/1) ... [2023-12-02 22:43:51,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1de7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:51, skipping insertion in model container [2023-12-02 22:43:51,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:51" (1/1) ... [2023-12-02 22:43:51,323 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:43:52,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:43:52,693 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:43:52,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:43:53,201 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:53,201 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:53,201 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:53,201 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:53,202 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:53,210 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:43:53,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53 WrapperNode [2023-12-02 22:43:53,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:43:53,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:43:53,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:43:53,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:43:53,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,289 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-12-02 22:43:53,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:43:53,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:43:53,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:43:53,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:43:53,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:43:53,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:43:53,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:43:53,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:43:53,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:43:53,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:43:53,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:43:53,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:43:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:43:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:43:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:43:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:43:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:43:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:43:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:43:53,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:43:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:43:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:43:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:43:53,532 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:43:53,534 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:43:53,645 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:43:53,683 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:43:53,684 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:43:53,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:43:53 BoogieIcfgContainer [2023-12-02 22:43:53,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:43:53,686 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:43:53,686 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:43:53,694 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:43:53,695 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:43:53" (1/1) ... [2023-12-02 22:43:53,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:43:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 22:43:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 22:43:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:43:53,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 22:43:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 22:43:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:43:53,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:43:54,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:43:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:43:54,083 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:43:54,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet186 [2023-12-02 22:43:54,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:43:54 ImpRootNode [2023-12-02 22:43:54,109 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:43:54,110 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:43:54,110 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:43:54,110 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:43:54,111 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:43:53" (3/4) ... [2023-12-02 22:43:54,112 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:43:54,113 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:43:54,114 INFO L158 Benchmark]: Toolchain (without parser) took 2856.41ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 111.4MB in the beginning and 64.8MB in the end (delta: 46.5MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2023-12-02 22:43:54,114 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:43:54,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1952.95ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 111.0MB in the beginning and 109.9MB in the end (delta: 1.1MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2023-12-02 22:43:54,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.26ms. Allocated memory is still 195.0MB. Free memory was 109.9MB in the beginning and 106.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:43:54,116 INFO L158 Benchmark]: Boogie Preprocessor took 30.46ms. Allocated memory is still 195.0MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:54,117 INFO L158 Benchmark]: RCFGBuilder took 363.64ms. Allocated memory is still 195.0MB. Free memory was 104.7MB in the beginning and 89.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:43:54,118 INFO L158 Benchmark]: CodeCheck took 422.90ms. Allocated memory is still 195.0MB. Free memory was 89.0MB in the beginning and 65.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:54,118 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 195.0MB. Free memory was 65.9MB in the beginning and 64.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:54,121 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1869]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1844, overapproximation of large string literal at line 1857. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1832] int CWE190_Integer_Overflow__int_fgets_square_68_badData; [L1833] int CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData; [L1857] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_square_68_badData=0, CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1857] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_square_68_badData=0, CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=30, argc=30, argv={31:29}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1858] CALL CWE190_Integer_Overflow__int_fgets_square_68_bad() [L1838] int data; [L1839] data = 0 [L1841] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1842] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1844] EXPR data = atoi(inputBuffer) [L1841] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1840-L1850] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1851] CWE190_Integer_Overflow__int_fgets_square_68_badData = data [L1852] CALL CWE190_Integer_Overflow__int_fgets_square_68b_badSink() [L1867] int data = CWE190_Integer_Overflow__int_fgets_square_68_badData; VAL [CWE190_Integer_Overflow__int_fgets_square_68_badData=-268435456, CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-268435456, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1869] data * data VAL [CWE190_Integer_Overflow__int_fgets_square_68_badData=-268435456, CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-268435456, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1952.95ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 111.0MB in the beginning and 109.9MB in the end (delta: 1.1MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.26ms. Allocated memory is still 195.0MB. Free memory was 109.9MB in the beginning and 106.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.46ms. Allocated memory is still 195.0MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.64ms. Allocated memory is still 195.0MB. Free memory was 104.7MB in the beginning and 89.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 422.90ms. Allocated memory is still 195.0MB. Free memory was 89.0MB in the beginning and 65.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 195.0MB. Free memory was 65.9MB in the beginning and 64.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet186 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:43:54,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 101772a1df2f060cce83990afa64fd120489466cae6ba795381290c9113e6c7a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:43:56,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:43:56,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:43:56,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:43:56,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:43:56,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:43:56,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:43:56,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:43:56,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:43:56,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:43:56,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:43:56,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:43:56,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:43:56,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:43:56,158 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:43:56,158 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:43:56,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:43:56,159 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:43:56,160 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:43:56,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:43:56,161 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:43:56,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:43:56,162 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:43:56,162 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:43:56,163 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:56,163 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:43:56,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:43:56,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:43:56,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:43:56,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:43:56,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:43:56,166 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:43:56,166 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:56,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:43:56,167 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:43:56,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:43:56,167 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 101772a1df2f060cce83990afa64fd120489466cae6ba795381290c9113e6c7a [2023-12-02 22:43:56,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:43:56,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:43:56,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:43:56,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:43:56,483 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:43:56,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2023-12-02 22:43:59,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:43:59,623 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:43:59,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2023-12-02 22:43:59,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/data/031d0e3c5/ffc235edb70b4eac9c871e7a176eefa4/FLAG852070b71 [2023-12-02 22:43:59,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/data/031d0e3c5/ffc235edb70b4eac9c871e7a176eefa4 [2023-12-02 22:43:59,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:43:59,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:43:59,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:43:59,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:43:59,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:43:59,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:59" (1/1) ... [2023-12-02 22:43:59,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b776b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:59, skipping insertion in model container [2023-12-02 22:43:59,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:59" (1/1) ... [2023-12-02 22:43:59,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:44:01,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:01,064 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:44:01,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:01,459 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:44:01,459 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:44:01,459 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:44:01,459 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:44:01,460 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:44:01,465 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:44:01,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01 WrapperNode [2023-12-02 22:44:01,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:44:01,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:01,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:44:01,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:44:01,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,538 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-12-02 22:44:01,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:01,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:44:01,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:44:01,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:44:01,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:44:01,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:44:01,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:44:01,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:44:01,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:01" (1/1) ... [2023-12-02 22:44:01,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:44:01,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:44:01,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:44:01,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:44:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:44:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:44:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:44:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:44:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:44:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 22:44:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:44:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:44:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:44:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:44:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:44:01,796 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:44:01,799 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:44:04,473 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:44:04,515 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:44:04,515 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:44:04,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:04 BoogieIcfgContainer [2023-12-02 22:44:04,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:44:04,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:44:04,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:44:04,525 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:44:04,525 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:04" (1/1) ... [2023-12-02 22:44:04,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:44:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 22:44:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 22:44:04,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:44:04,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:04,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:04,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:04,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:04,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c6f288-f5be-4797-ae79-c0c0d32192d8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process